Word.ws English Dictionary

Necker cube

Necker cube noun: an optical illusion consisting of a wireframe drawing of a cube, where a given face may be perceived as being either on the front or the back of the cube.

necker cube: an optical illusion consisting of a wireframe drawing of a cube, where a given face may be...
Image: BenFrantzDale, CC BY-SA 3.0, via Wikimedia Commons

Noun

Necker cube (plural Necker cubes)

  1. An optical illusion consisting of a wireframe drawing of a cube, where a given face may be perceived as being either on the front or the back of the cube.

Forms of Necker cube

pluralNecker cubes

Origin of Necker cube

The Necker cube was first published as a rhomboid in 1832 by Louis Albert Necker.

Questions about Necker cube

What does Necker cube mean?
Necker cube means an optical illusion consisting of a wireframe drawing of a cube, where a given face may be perceived as being either on the front or the back of the cube.
What part of speech is Necker cube?
Necker cube is a noun.
What is the plural of Necker cube?
The plural of Necker cube is Necker cubes.

Words near Necker cube in the dictionary

  1. necked
  2. necked down
  3. necked up
  4. neckedness
  5. necker
  6. Necker cube
  7. Necker cubes
  8. Necker Island
  9. necker knob
  10. necker knobs
  11. necker's knob

Source and license

Adapted from Wiktionary: Necker cube (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “Necker cube.” Word.ws, https://word.ws/necker_cube. Based on Wiktionary, CC BY-SA 4.0.